Polygonum tenue var. microspermum Engelmann
Polygonum tenue var. microspermum Engelmann is a synonym sensu TROPICOS of:
Polygonum engelmannii Greene, an accepted species name sensu FNA Ed. Comm., 2005.
Polygonum tenue var. microspermum Engelmann is a synonym sensu TROPICOS of:
Polygonum engelmannii Greene, an accepted species name sensu FNA Ed. Comm., 2005.